| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:08:45 |
| WDS: | A108 | WDS ID/Discoverer |
| P: | 242.850 | Orbital period (years) |
| a: | 0.299 | Semi-major axis (arcseconds) |
| i: | 51.4 | Inclination (degrees) |
| Ω: | 53.8 | Longitude of ascending node (degrees) |
| T: | 1946.340 | Epoch of periastron passage (year) |
| e: | 0.717 | Eccentricity |
| ω: | 265.0 | Longitude of periastron (degrees) |
| Start-Year: | 1904.0 | Year |
| End-Year: | 2146.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 194708.04-080909.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19471-0809 | WDS designation |
| Discoverer Code: | A108 | Discover designation and components |
| ADS number: | 12911 | Aitken Double Star catalog |
| HD number: | 186847 | HD catalog number |
| Hipparcos number: | 97350 | Hipparcos catalog number |
| V1: | 8.74 | Magnitude of the primary |
| V2: | 9.24 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.320 112.3 ------------------------- 1904.0 0.257 187.6 1905.0 0.255 188.5 1906.0 0.253 189.4 1907.0 0.252 190.3 1908.0 0.250 191.2 1909.0 0.248 192.1 1910.0 0.245 193.1 1911.0 0.243 194.0 1912.0 0.241 195.0 1913.0 0.239 196.0 1914.0 0.236 197.1 1915.0 0.234 198.1 1916.0 0.231 199.2 1917.0 0.229 200.3 1918.0 0.226 201.4 1919.0 0.223 202.5 1920.0 0.220 203.7 1921.0 0.217 204.9 1922.0 0.213 206.1 1923.0 0.210 207.4 1924.0 0.206 208.8 1925.0 0.203 210.1 1926.0 0.199 211.6 1927.0 0.194 213.1 1928.0 0.190 214.6 1929.0 0.185 216.3 1930.0 0.181 218.0 1931.0 0.175 219.8 1932.0 0.170 221.7 1933.0 0.164 223.8 1934.0 0.158 226.0 1935.0 0.151 228.4 1936.0 0.144 231.1 1937.0 0.136 234.0 1938.0 0.128 237.4 1939.0 0.119 241.1 1940.0 0.110 245.6 1941.0 0.099 250.8 1942.0 0.089 257.3 1943.0 0.078 265.6 1944.0 0.068 276.5 1945.0 0.059 290.8 1946.0 0.054 309.0 1947.0 0.053 329.4 1948.0 0.057 348.5 1949.0 0.065 4.0 1950.0 0.076 15.6 1951.0 0.086 24.5 1952.0 0.098 31.3 1953.0 0.108 36.7 1954.0 0.119 41.2 1955.0 0.128 45.0 1956.0 0.138 48.3 1957.0 0.146 51.1 1958.0 0.155 53.7 1959.0 0.162 56.0 1960.0 0.170 58.1 1961.0 0.176 60.0 1962.0 0.183 61.8 1963.0 0.189 63.4 1964.0 0.195 65.0 1965.0 0.200 66.5 1966.0 0.206 67.9 1967.0 0.211 69.2 1968.0 0.215 70.5 1969.0 0.220 71.7 1970.0 0.224 72.9 1971.0 0.229 74.0 1972.0 0.233 75.1 1973.0 0.236 76.1 1974.0 0.240 77.1 1975.0 0.243 78.1 1976.0 0.247 79.1 1977.0 0.250 80.0 1978.0 0.253 80.9 1979.0 0.256 81.8 1980.0 0.259 82.7 1981.0 0.262 83.5 1982.0 0.264 84.4 1983.0 0.267 85.2 1984.0 0.269 86.0 1985.0 0.272 86.8 1986.0 0.274 87.5 1987.0 0.276 88.3 1988.0 0.278 89.1 1989.0 0.280 89.8 1990.0 0.282 90.5 1991.0 0.284 91.2 1992.0 0.286 92.0 1993.0 0.288 92.7 1994.0 0.289 93.3 1995.0 0.291 94.0 1996.0 0.293 94.7 1997.0 0.294 95.4 1998.0 0.296 96.0 1999.0 0.297 96.7 2000.0 0.298 97.3 2001.0 0.300 98.0 2002.0 0.301 98.6 2003.0 0.302 99.3 2004.0 0.303 99.9 2005.0 0.305 100.5 2006.0 0.306 101.1 2007.0 0.307 101.7 2008.0 0.308 102.4 2009.0 0.309 103.0 2010.0 0.310 103.6 2011.0 0.310 104.2 2012.0 0.311 104.8 2013.0 0.312 105.4 2014.0 0.313 105.9 2015.0 0.314 106.5 2016.0 0.314 107.1 2017.0 0.315 107.7 2018.0 0.316 108.3 2019.0 0.316 108.9 2020.0 0.317 109.4 2021.0 0.318 110.0 2022.0 0.318 110.6 2023.0 0.319 111.1 2024.0 0.319 111.7 2025.0 0.320 112.3 2026.0 0.320 112.8 2027.0 0.321 113.4 2028.0 0.321 114.0 2029.0 0.321 114.5 2030.0 0.322 115.1 2031.0 0.322 115.6 2032.0 0.322 116.2 2033.0 0.323 116.7 2034.0 0.323 117.3 2035.0 0.323 117.8 2036.0 0.323 118.4 2037.0 0.324 118.9 2038.0 0.324 119.5 2039.0 0.324 120.0 2040.0 0.324 120.6 2041.0 0.324 121.1 2042.0 0.324 121.7 2043.0 0.325 122.2 2044.0 0.325 122.8 2045.0 0.325 123.3 2046.0 0.325 123.9 2047.0 0.325 124.4 2048.0 0.325 125.0 2049.0 0.325 125.5 2050.0 0.325 126.1 2051.0 0.325 126.6 2052.0 0.325 127.1 2053.0 0.325 127.7 2054.0 0.325 128.2 2055.0 0.325 128.8 2056.0 0.324 129.3 2057.0 0.324 129.9 2058.0 0.324 130.4 2059.0 0.324 131.0 2060.0 0.324 131.5 2061.0 0.324 132.1 2062.0 0.324 132.6 2063.0 0.323 133.2 2064.0 0.323 133.7 2065.0 0.323 134.3 2066.0 0.323 134.8 2067.0 0.322 135.4 2068.0 0.322 135.9 2069.0 0.322 136.5 2070.0 0.322 137.1 2071.0 0.321 137.6 2072.0 0.321 138.2 2073.0 0.321 138.7 2074.0 0.320 139.3 2075.0 0.320 139.9 2076.0 0.320 140.4 2077.0 0.319 141.0 2078.0 0.319 141.6 2079.0 0.318 142.1 2080.0 0.318 142.7 2081.0 0.318 143.3 2082.0 0.317 143.8 2083.0 0.317 144.4 2084.0 0.316 145.0 2085.0 0.316 145.6 2086.0 0.315 146.1 2087.0 0.315 146.7 2088.0 0.314 147.3 2089.0 0.314 147.9 2090.0 0.313 148.5 2091.0 0.313 149.1 2092.0 0.312 149.6 2093.0 0.312 150.2 2094.0 0.311 150.8 2095.0 0.311 151.4 2096.0 0.310 152.0 2097.0 0.309 152.6 2098.0 0.309 153.2 2099.0 0.308 153.8 2100.0 0.308 154.4 2101.0 0.307 155.1 2102.0 0.306 155.7 2103.0 0.306 156.3 2104.0 0.305 156.9 2105.0 0.304 157.5 2106.0 0.303 158.2 2107.0 0.303 158.8 2108.0 0.302 159.4 2109.0 0.301 160.0 2110.0 0.300 160.7 2111.0 0.300 161.3 2112.0 0.299 162.0 2113.0 0.298 162.6 2114.0 0.297 163.3 2115.0 0.296 163.9 2116.0 0.295 164.6 2117.0 0.295 165.2 2118.0 0.294 165.9 2119.0 0.293 166.6 2120.0 0.292 167.3 2121.0 0.291 167.9 2122.0 0.290 168.6 2123.0 0.289 169.3 2124.0 0.288 170.0 2125.0 0.287 170.7 2126.0 0.286 171.4 2127.0 0.285 172.1 2128.0 0.284 172.8 2129.0 0.282 173.5 2130.0 0.281 174.3 2131.0 0.280 175.0 2132.0 0.279 175.7 2133.0 0.278 176.5 2134.0 0.276 177.2 2135.0 0.275 178.0 2136.0 0.274 178.8 2137.0 0.272 179.5 2138.0 0.271 180.3 2139.0 0.270 181.1 2140.0 0.268 181.9 2141.0 0.267 182.7 2142.0 0.265 183.5 2143.0 0.264 184.3 2144.0 0.262 185.2 2145.0 0.260 186.0